diff --git a/compiler-rt/test/tsan/stress.cpp b/compiler-rt/test/tsan/stress.cpp
--- a/compiler-rt/test/tsan/stress.cpp
+++ b/compiler-rt/test/tsan/stress.cpp
@@ -1,4 +1,4 @@
-// RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts="flush_memory_ms=1 flush_symbolizer_ms=1 memory_limit_mb=1" %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_tsan -O1 %s -o %t && %env_tsan_opts=flush_memory_ms=1:flush_symbolizer_ms=1:memory_limit_mb=1 %run %t 2>&1 | FileCheck %s
 #include "test.h"
 #include <fcntl.h>
 #include <string.h>